FREE Maryland CDL Practice Test 2024 - DMV Practice Test Page 3 of 7
Today, you will answer 50 multiple-choice questions that will test your understanding of content from the Maryland Commercial Driver License Manual in order to assist you pass your written CDL knowledge test. Backing, braking, emergency preparedness, vehicle maintenance, and driving in unusual conditions are among the themes covered in the questions. Pay special attention to the explanations; they may assist you in answering related questions on the knowledge test.
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15 . Which of the following determines your blood alcohol concentration (BAC)?
The color of the drink
The three main factors that determine a person's blood alcohol concentration (BAC) are how much alcohol was consumed; how fast it was consumed; and the person's body weight. The only thing that can lower a person's BAC is waiting for the alcohol to leave their system naturally.
16 . In icy conditions, a retarder should be:
A retarder may cause a skid when traction is poor, such as when a road is icy, and should therefore be turned off in such conditions.
17 . After a tire has been changed, the driver should stop after a short distance to:
After changing a tire, you should stop a short distance later to recheck the tightness of the tire's lug nuts.
18 . About how many drinks does it take for a 200-pound person to reach a 0.02 percent blood alcohol concentration (BAC)?
Four
Alcohol impairment begins long before the legal limit is reached. A 200-pound person will reach a blood alcohol concentration (BAC) of 0.02 percent after a single drink.
19 . Improperly loaded cargo can:
Aid in safety.
Cargo must be properly loaded and secured to prevent it from falling or shifting dangerously. During a quick stop, improperly loaded cargo could injure or even kill the driver.
20 . To prevent becoming an aggressive driver you should:
To avoid engaging in aggressive driving behavior, it is helpful to give other drivers the benefit of the doubt. Assume that they have valid reasons for what they are doing and don't take their actions personally.
21 . When starting the vehicle during the pre-trip inspection, the coolant temperature should:
Jump quickly.
